An update of Euclidean windows of the hadronic vacuum polarizationWe compute the standard Euclidean window of the hadronic vacuum polarization using multiple independent blinded analyses. We improve the continuum and infinite-volume extrapolations of the dominant…T. Blum, P. A. Boyle, M. Bruno et al.·Jan 20, 2023SaveLearn
Pion condensation at lower than physical quark massesIn QCD at large enough isospin chemical potential Bose-Einstein Condensation (BEC) takes place, separated from the normal phase by a phase transition. From previous studies the location of the BEC…Bastian B. Brandt, Volodymyr Chelnokov, Francesca Cuteri et al.·Jan 20, 2023SaveLearn
Cutoff effects of the gradient flow for fermionsI analyze cutoff effects of the gradient flow for Wilson-type fermions. I show that with a proper choice of the higher dimensional fields in the Symanzik effective theory, O(a) improvement of the…Andrea Shindler·Jan 20, 2023SaveLearn
Light-quark connected intermediate-window contributions to the muon g-2 hadronic vacuum polarization from lattice QCDWe present a lattice-QCD calculation of the light-quark connected contribution to window observables associated with the leading-order hadronic vacuum polarization contribution to the anomalous…Alexei Bazavov, Christine Davies, Carleton DeTar et al.·Jan 19, 2023SaveLearn
Radiative Transitions in Charmonium from Lattice QCDThe coupling of various charmonium mesons to a photon is studied using lattice QCD, giving access to radiative form factors and transitions, and probing the mesons' structure. Methods are developed…James Delaney, Christopher E. Thomas, Sinéad M. Ryan·Jan 19, 2023SaveLearn
nEDM from the theta-term and chromoEDM operatorsIn a previous work, we showed that unresolved excited state contaminations provide a major source of systematic uncertainty in the calculation of the nucleon electric dipole moment due to the QCD…Tanmoy Bhattacharya, Vincenzo Cirigliano, Rajan Gupta et al.·Jan 19, 2023SaveLearn
Casimir effect for fermions on the latticeThe conventional Casimir effect has been studied in the continuous spacetime, but to elucidate its counterpart in the lattice space is an important subject. Here, we discuss various types of Casimir…Katsumasa Nakayama, Kei Suzuki·Jan 19, 2023SaveLearn
Update on Flavor Diagonal Nucleon ChargesThis talk provides an update on the calculation of matrix elements of flavor diagonal axial, scalar and tensor quark bilinear operators between the nucleon ground state. The simulations are done…Sungwoo Park, Tanmoy Bhattacharya, Rajan Gupta et al.·Jan 19, 2023SaveLearn
Nucleon form factors and the pion-nucleon sigma termThis talk summarizes the progress made since Lattice 2021 in understanding and controlling the contributions of towers of multihadron excited states with mass gaps starting lower than of radial…Rajan Gupta, Tanmoy Bhattacharya, Vincenzo Cirigliano et al.·Jan 19, 2023SaveLearn
Gradient Flow: Perturbative and Non-Perturbative RenormalizationWe review the gradient flow for gauge and fermion fields and its applications to lattice gauge theory computations. Using specific examples, we discuss the interplay between perturbative and…Andrea Shindler·Jan 18, 2023SaveLearn
Low-energy constants in the chiral Lagrangian with baryon octet and decuplet fields from Lattice QCD data on CLS ensemblesWe perform an analysis of Lattice QCD data on baryon octet and decuplet masses based on the chiral SU(3) Lagrangian. Low-energy constants (LEC) are adjusted to describe baryon masses from a large set…Matthias F. M. Lutz, Yonggoo Heo, Xiao-Yu Guo·Jan 17, 2023SaveLearn
Toward a novel determination of the strong QCD coupling at the Z-poleWe test here our recently introduced new lattice method for the β-function defined over infinite Euclidean space-time in the continuum from scale changes generated by infinitesimal or finite…Chik Him Wong, Szabolcs Borsanyi, Zoltan Fodor et al.·Jan 16, 2023SaveLearn
Studies of Correlations in the Critical Domain of the SU(2) GluodynamicsBy considering the example of SU(2) gluodynamics, we check numerically the idea that the strong correlation of the Polyakov loop with the longitudinal gluon propagator and related quantities can be…R. N. Rogalyov, V. G. Bornyakov, N. V. Gerasimeniuk et al.·Jan 16, 2023SaveLearn
Hadronic Parity Violation from Twisted Mass Lattice QCDWe present results for an exploratory lattice calculation of the leading parity-violating pion-nucleon coupling hπ1. Based on the PCAC relation we use a parity-conserving Lagrangian and focus…Nikolas Schlage, Marcus Petschlies, Aniket Sen et al.·Jan 16, 2023SaveLearn
Transverse momentum-dependent parton distributions for longitudinally polarized nucleons from domain wall fermion calculations at the physical pion massPrevious Lattice QCD calculations of nucleon transverse momentum-dependent parton distributions (TMDs) focused on the case of transversely polarized nucleons, and thus did not encompass two…M. Engelhardt, N. Hasan, T. Izubuchi et al.·Jan 15, 2023SaveLearn
Interaction potentials for two-particle states with non-zero total momenta in lattice QCDIn this study, we extend the HAL QCD method to a case where a total momentum of a two-particle system is non-zero and apply it to the I=2 S-wave ππ scattering in order to confirm its…Yutaro Akahoshi, Sinya Aoki·Jan 15, 2023SaveLearn
A first analysis of the ensemble of local maxima of maximal center gaugeMaximal center gauge (MCG) aims to detect some of the most important vacuum configurations, suggesting thick magnetic flux tubes quantised to non-trivial center elements of the gauge group being…Zeinab Dehghan, Rudolf Golubich, Roman Höllwieser et al.·Jan 14, 2023SaveLearn
Two-link Staggered Quark Smearing in QUDAGauge covariant smearing based on the 3D lattice Laplacian can be used to create extended operators that have better overlap with hadronic ground states. For staggered quarks, we make use of two-link…Steven Gottlieb, Hwancheol Jeong, Alexei Strelchenko·Jan 13, 2023SaveLearn
Charged pion electric polarizability from four-point functions in lattice QCDPolarizabilities reveal valuable information on the internal structure of hadrons in terms of charge and current distributions. For neutral hadrons, the standard approach is the background field…Frank X. Lee, Andrei Alexandru, Chris Culver et al.·Jan 12, 2023SaveLearn
Hadronic observables from master-field simulationsSubstantial progress has been made recently in the generation of master-field ensembles. This has to be paired with efficient techniques to compute observables on gauge field configurations with a…Marco Cè, Mattia Bruno, John Bulava et al.·Jan 12, 2023SaveLearn
Fourier coefficients of the net-baryon number densityWe calculate Fourier coefficients of the net-baryon number as a function of a purely imaginary chemical potential. The asymptotic behavior of these coefficients is governed by the singularity…Christian Schmidt·Jan 12, 2023SaveLearn
Neutrino Oscillation and Lattice QCDNext generation high-precision neutrino scattering experiments have the goal of measuring the as-of-yet unknown parameters governing neutrino oscillation. This effort is hampered by the use of large…Aaron S. Meyer·Jan 11, 2023SaveLearn
Strange and charm contributions to the HVP from C* boundary conditionsWe present preliminary results for the determination of the leading strange and charm quark-connected contributions to the hadronic vacuum polarization contribution to the muon's g-2. Measurements…Anian Altherr, Lucius Bushnaq, Isabel Campos et al.·Jan 11, 2023SaveLearn
Phase Transitions in Particle Physics -- Results and Perspectives from Lattice Quantum Chromo-DynamicsPhase transitions in a non-perturbative regime can be studied by ab initio Lattice Field Theory methods. The status and future research directions for LFT investigations of Quantum Chromo-Dynamics…Gert Aarts, Joerg Aichelin, Chris Allton et al.·Jan 11, 2023SaveLearn
Nucleon Electric Dipole Moment from the θ Term with Lattice Chiral FermionsWe calculate the nucleon electric dipole moment (EDM) from the θ term with overlap fermions on three domain wall lattices with different sea pion masses at lattice spacing 0.11 fm. Due to the…Jian Liang, Andrei Alexandru, Terrence Draper et al.·Jan 11, 2023SaveLearn